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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .box{
            width: 500px;
            height: 600px;
            border: 1px solid black;
            margin: auto;
        }
       li{
        list-style: none;
       }
    </style>
<div class="box">
    <ul>    
        <li>全部商品</li>
        <li>小米11</li>
        <li>小米10s</li>
        <li>小米笔记本</li>
        <li>小米手机</li>
        <li>黑鲨4</li>
        <li>空调</li>
    </ul>
</div>
</body>
</html>